APA (7th ed.) Citation

Logan, F. D. (1983). The Vikings in history / F. Donald Logan. Hutchinson.

Chicago Style (17th ed.) Citation

Logan, F. Donald. The Vikings in History / F. Donald Logan. London: Hutchinson, 1983.

MLA (9th ed.) Citation

Logan, F. Donald. The Vikings in History / F. Donald Logan. Hutchinson, 1983.

Warning: These citations may not always be 100% accurate.